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Federal Circuit Affirms Obviousness of Rifaximin Polymorph Patents and Denial of Motion to Modify Judgment After Post-Trial...

In a precedential opinion issued on April 11, 2024 in Salix Pharmaceuticals, Ltd. v. Norwich Pharmaceuticals Inc., Nos. 22-2153, 23-1952, the U.S. Court of Appeals for the Federal Circuit affirmed the U.S. District Court for...more

Nonobviousness of Commercially Successful Designs: Mmm, Mmm, Not So Fast

It is said that Andy Warhol painted the famous Campbell’s Soup Cans after an art gallery proprietor told him to paint “something you see every day and something that everybody would recognize.” While Mr. Warhol’s Campbell’s...more

SAS v. Matal – Overview of Oral Argument

On Monday, November 27, 2017, the Supreme Court heard oral arguments in SAS Institute v. Matal. Issue presented - Whether 35 U.S.C. § 318(a) requires that the Patent Trial and Appeal Board (PTAB or Board) issue a final...more

Federal Circuit Clarifies the Requirements for a Teaching Away by the Prior Art

In a precedential opinion issued on October 11, 2017, the United States Court of Appeals for the Federal Circuit reversed the Patent Trial and Appeals Board’s (“PTAB”) finding of non-obviousness where the prior art taught...more

Federal Circuit Thoroughly Reverses District Court Findings of Velcade® Patent Obviousness

On July 17, 2017, the United States Court of Appeals for the Federal Circuit reversed, in a precedential opinion in Millennium Pharmaceuticals, Inc. v. Sandoz, Inc., No. 2015-2066 (Fed. Cir. July 17, 2017), a district court...more

Federal Circuit Reiterates That Patent Prosecution Disclaimers Must Be “Clear and Unmistakable”

On March 3, 2017, the United States Court of Appeals for the Federal Circuit reaffirmed, in a precedential opinion, that prosecution disclaimers may only limit the scope of a claim where the disclaimer is “both clear and...more

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